I can think of two good reasons why this is hard to provide as a managed solution:
1) you need to provide a valid input event for power-tuning, as every function requires its own specific payload; while this is something that can be automated, it's also very function-specific and domain-specific (Alexa skill vs S3 event vs Kinesis stream vs HTTP request)
2) power-tuning requires executing your functions in a real environment, with real downstream dependencies (databases, 3rd-party API's, legacy systems, etc.) so you need to be aware of those downstream services and prepare them for the load, otherwise you'll get noisy or inconsistent results
But never say never :)
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Hi Alex. Awesome article! Given the obvious benefits, why is not AWS Lambda doing this optimization automatically for you (via opt-in for example)?
Very good question, German :)
I can think of two good reasons why this is hard to provide as a managed solution:
1) you need to provide a valid input event for power-tuning, as every function requires its own specific payload; while this is something that can be automated, it's also very function-specific and domain-specific (Alexa skill vs S3 event vs Kinesis stream vs HTTP request)
2) power-tuning requires executing your functions in a real environment, with real downstream dependencies (databases, 3rd-party API's, legacy systems, etc.) so you need to be aware of those downstream services and prepare them for the load, otherwise you'll get noisy or inconsistent results
But never say never :)